2 Copyright (C) 2000-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 $Id: midiregion.h 733 2006-08-01 17:19:38Z drobilla $
21 #ifndef __ardour_midi_region_h__
22 #define __ardour_midi_region_h__
26 #include "pbd/fastlog.h"
29 #include "ardour/ardour.h"
30 #include "ardour/gain.h"
31 #include "ardour/logcurve.h"
32 #include "ardour/midi_model.h"
33 #include "ardour/midi_source.h"
34 #include "ardour/region.h"
45 class MidiStateTracker;
46 template<typename T> class MidiRingBuffer;
48 class MidiRegion : public Region
53 boost::shared_ptr<MidiRegion> clone ();
55 boost::shared_ptr<MidiSource> midi_source (uint32_t n=0) const;
57 /* Stub Readable interface */
58 virtual framecnt_t read (Sample*, framepos_t /*pos*/, framecnt_t /*cnt*/, int /*channel*/) const { return 0; }
59 virtual framecnt_t readable_length() const { return length(); }
61 framecnt_t read_at (Evoral::EventSink<nframes_t>& dst,
65 NoteMode mode = Sustained,
66 MidiStateTracker* tracker = 0) const;
68 framepos_t master_read_at (MidiRingBuffer<nframes_t>& dst,
72 NoteMode mode = Sustained) const;
74 XMLNode& state (bool);
75 int set_state (const XMLNode&, int version);
77 int separate_by_channel (ARDOUR::Session&, std::vector< boost::shared_ptr<Region> >&) const;
81 boost::shared_ptr<Evoral::Control>
82 control(const Evoral::Parameter& id, bool create=false) {
83 return model()->control(id, create);
86 virtual boost::shared_ptr<const Evoral::Control>
87 control(const Evoral::Parameter& id) const {
88 return model()->control(id);
93 int exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&);
95 boost::shared_ptr<MidiModel> model() { return midi_source()->model(); }
96 boost::shared_ptr<const MidiModel> model() const { return midi_source()->model(); }
99 friend class RegionFactory;
101 MidiRegion (const SourceList&);
102 MidiRegion (boost::shared_ptr<const MidiRegion>, frameoffset_t offset = 0, bool offset_relative = true);
105 framecnt_t _read_at (const SourceList&, Evoral::EventSink<nframes_t>& dst,
109 NoteMode mode = Sustained,
110 MidiStateTracker* tracker = 0) const;
112 void recompute_at_start ();
113 void recompute_at_end ();
115 void set_position_internal (framepos_t pos, bool allow_bbt_recompute);
117 void switch_source(boost::shared_ptr<Source> source);
120 } /* namespace ARDOUR */
123 #endif /* __ardour_midi_region_h__ */